[PATCH v2 13/14] cryptodev: add salt length and optional label

[Arek Kusztal]

- Added salt length and optional label.
Common parameters to PSS and OAEP padding for RSA.
- Fixed hash API in RSA padding.
Now it is specified how hash should be used with
particular RSA padding modes.

Signed-off-by: Arek Kusztal <arkadiuszx.kusz...@intel.com>
---
 lib/cryptodev/rte_crypto_asym.h | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/lib/cryptodev/rte_crypto_asym.h b/lib/cryptodev/rte_crypto_asym.h
index 9f7fba3758..d90a7a1957 100644
--- a/lib/cryptodev/rte_crypto_asym.h
+++ b/lib/cryptodev/rte_crypto_asym.h
@@ -217,7 +217,7 @@ struct rte_crypto_rsa_priv_key_qt {
 struct rte_crypto_rsa_padding {
        enum rte_crypto_rsa_padding_type type;
        /**< RSA padding scheme to be used for transform */
-       enum rte_crypto_auth_algorithm md;
+       enum rte_crypto_auth_algorithm hash;
        /**<
         * RSA padding hash function
         *
@@ -240,7 +240,7 @@ struct rte_crypto_rsa_padding {
         * This field shall be set with the hash algorithm used
         * in the padding scheme (and to create the input message digest)
         */
-       enum rte_crypto_auth_algorithm mgf1md;
+       enum rte_crypto_auth_algorithm mgf1hash;
        /**<
         * Hash algorithm to be used for mask generation if
         * padding scheme is either OAEP or PSS. If padding
@@ -248,6 +248,21 @@ struct rte_crypto_rsa_padding {
         * for mask generation. Valid hash algorithms are:
         * MD5, SHA1, SHA224, SHA256, SHA384, SHA512
         */
+       uint16_t pss_saltlen;
+       /**<
+        * RSA PSS padding salt length
+        *
+        * Used only when RTE_CRYPTO_RSA_PADDING_PSS padding is selected,
+        * otherwise ignored.
+        */
+       rte_crypto_param oaep_label;
+       /**<
+        * RSA OAEP padding optional label
+        *
+        * Used only when RTE_CRYPTO_RSA_PADDING_OAEP padding is selected,
+        * otherwise ignored. If label.data == NULL, a default
+        * label (empty string) is used.
+        */
 };
 
 /**
-- 
2.13.6